free cache only if required

diff --git a/servers/slapd/back-bdb/init.c b/servers/slapd/back-bdb/init.c
index 21cfe2f7662fde20c21c0e9d7e9b9e118469afd7..412a132da2f6d666aa19dfb79f925c62994aeabc 100644 (file)
--- a/servers/slapd/back-bdb/init.c
+++ b/servers/slapd/back-bdb/init.c
@@ -461,17 +461,20 @@ bdb_db_close( BackendDB *be )
        bdb_cache_release_all (&bdb->bi_cache);
 
 #ifdef SLAP_IDL_CACHE
-       ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
-       entry = bdb->bi_idl_lru_head;
-       while ( entry != NULL ) {
-               next_entry = entry->idl_lru_next;
-               avl_delete( &bdb->bi_idl_tree, (caddr_t) entry, bdb_idl_entry_cmp );
-               free( entry->idl );
-               free( entry->kstr.bv_val );
-               free( entry );
-               entry = next_entry;
+       if ( bdb->bi_idl_cache_max_size ) {
+               ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
+               entry = bdb->bi_idl_lru_head;
+               while ( entry != NULL ) {
+                       next_entry = entry->idl_lru_next;
+                       avl_delete( &bdb->bi_idl_tree, (caddr_t) entry,
+                                       bdb_idl_entry_cmp );
+                       free( entry->idl );
+                       free( entry->kstr.bv_val );
+                       free( entry );
+                       entry = next_entry;
+               }
+               ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
        }
-       ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 #endif
 
        return 0;